[Haifux] Router question

Ohad Lutzky ohad at lutzky.net
Sat Oct 16 23:11:34 MSD 2010


Okay, that's something I can use! Here's what I get - all hope up to and
including 7 are from within bezeqint (without useful reverse dns
resolutions). Hop 8 is

sudo tcptraceroute -i eth0 -n 195.113.19.83 11371
traceroute to 195.113.19.83 (195.113.19.83), 30 hops max, 60 byte packets
 1  10.0.0.138  4.018 ms  4.000 ms  3.993 ms
 2  212.179.37.1  20.982 ms  22.589 ms  22.581 ms
 3  212.179.87.173  24.302 ms  27.114 ms  28.475 ms
 4  212.179.152.157  29.563 ms  30.513 ms  31.462 ms
 5  212.179.124.145  37.292 ms  37.288 ms  37.274 ms
 6  212.179.124.162  40.561 ms  51.928 ms  54.370 ms
 7  62.219.189.14  4317.354 ms 212.179.124.26  4303.544 ms  4301.958 ms
 8  77.67.66.9  199.620 ms * *
 9  * * *
10  * * *
11  * * *
12  * * *
13  * * *
14  * * *
15  * * *
16  * * *
17  * * *
18  * * *
19  * * *
20  * * *
21  * * *
22  * * *
23  * * *
24  * * *
25  * * *
26  * * *
27  * * *
28  * * *
29  * * *
30  * * *


On Sat, Oct 16, 2010 at 8:48 PM, guy keren <choo at actcom.co.il> wrote:

>
> you should have a traceroute-line utility that runs on TCP ports of your
> choice.
>
> for example, tcptraceroute.
>
> see an explanation here:
>
> http://christophe.vandeplas.com/2007/11/04/using-traceroute-icmp-and-tcp
>
> --guy
>
> Ohad Lutzky wrote:
>
>> traceroute is ICMP. I'm having trouble with specific ports on TCP.
>>
>> On Sat, Oct 16, 2010 at 7:53 PM, Dave Roi <davidroi at gmail.com <mailto:
>> davidroi at gmail.com>> wrote:
>>
>>    Did you try running traceroute to the pgp server or android market
>>    server?
>>    See how many hops it does go and see in which one it gets stuck.
>>
>>
>>    On Sat, Oct 16, 2010 at 19:36, Ohad Lutzky <ohad at lutzky.net
>>    <mailto:ohad at lutzky.net>> wrote:
>>
>>        Hello everyone,
>>
>>        I have a Linksys DSL-2760u router/DSL modem, using a Wow (Bezeq)
>>        connection to the Bezeq International ISP. It seems that various
>>        outgoing ports are blocked - HTTP, HTTPS, bittorrent and SSH
>>        work well enough, but - for example - I can't download Android
>>        apps from the Market. Easier to test, I can't download PGP
>>        public keys. For example:
>>
>>        gpg -v -v --keyserver subkeys.pgp.net <http://subkeys.pgp.net>
>>
>>        --recv F120156012B83718
>>        gpg: requesting key 12B83718 from hkp server subkeys.pgp.net
>>        <http://subkeys.pgp.net>
>>
>>
>>        This hangs indefinitely. So does this:
>>        telnet subkeys.pgp.net <http://subkeys.pgp.net> 11371
>>
>>        Trying 195.113.19.83...
>>
>>        The same occurs for other keyservers, git-protocol, and various
>>        other "unconventional" high-port usage. I've gone over the
>>        router settings, disabled its firewall (but not NAT, which I
>>        need), added my machine to the DMZ (this actually seems to help,
>>        sometimes, for git - and even then, only once), tried port
>>        triggering... I can't get a consistent result.
>>
>>        I should note that this issue only exists for *outgoing* ports.
>>        I have no problem mapping *incoming* ports (such as my openssh
>>        server or bittorrent web interface).
>>
>>        --         Man is the only animal that laughs and weeps, for he is
>> the only
>>        animal that is struck with the difference between what things
>>        are and what they ought to be.
>>         - William Hazlitt
>>
>>        Ohad Lutzky
>>
>>        _______________________________________________
>>        Haifux mailing list
>>        Haifux at haifux.org <mailto:Haifux at haifux.org>
>>
>>        http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
>>
>>
>>
>>
>>
>> --
>> Man is the only animal that laughs and weeps, for he is the only animal
>> that is struck with the difference between what things are and what they
>> ought to be.
>>  - William Hazlitt
>>
>> Ohad Lutzky
>>
>>
>> ------------------------------------------------------------------------
>>
>>
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>> Haifux at haifux.org
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>>
>
>


-- 
Man is the only animal that laughs and weeps, for he is the only animal that
is struck with the difference between what things are and what they ought to
be.
 - William Hazlitt

Ohad Lutzky
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